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se·rum
 serum
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- pronunciation:
- si
r
 m
- features:
- Word Explorer
| part of speech: |
noun |
| inflections: |
sera, serums |
| definition 1: |
the thin, watery liquid that remains when the solid parts of blood have formed a clot.
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| definition 2: |
the antidote given to a person or animal to protect from a disease or venom. It is taken from an animal that has been exposed to the same disease or venom.
It's a good thing the doctor had some rattlesnake serum on hand when Joe was bitten. |
| related words: |
blood |
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| derivation: |
serumal (adj.) |
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